Thittayano (Closed Tarapho), Phrapattaphong, Teerasak Buengmum, and Sangwan Piyura. 2024. “Enhancing Ethical Leadership in Basic Education Administration Based on the Four Brahmavihāras: A Case Study of the Khon Kaen Primary Educational Service Area Office 1”. Asian Journal of Humanities and Social Innovation 1 (4):1-11. https://so14.tci-thaijo.org/index.php/AJHSI/article/view/1841.